function writeScalar()

in brooklyn-ui/src/main/webapp/assets/js/libs/js-yaml.js [259:334]

• 68 lines of code
• 46 McCabe index (conditional complexity)

function writeScalar(state, object) {
  var isQuoted, checkpoint, position, length, character, first;

  state.dump = '';
  isQuoted = false;
  checkpoint = 0;
  first = object.charCodeAt(0) || 0;

  if (-1 !== DEPRECATED_BOOLEANS_SYNTAX.indexOf(object)) {
    // Ensure compatibility with YAML 1.0/1.1 loaders.
    isQuoted = true;
  } else if (0 === object.length) {
    // Quote empty string
    isQuoted = true;
  } else if (CHAR_SPACE    === first ||
             CHAR_SPACE    === object.charCodeAt(object.length - 1)) {
    isQuoted = true;
  } else if (CHAR_MINUS    === first ||
             CHAR_QUESTION === first) {
    // Don't check second symbol for simplicity
    isQuoted = true;
  }

  for (position = 0, length = object.length; position < length; position += 1) {
    character = object.charCodeAt(position);

    if (!isQuoted) {
      if (CHAR_TAB                  === character ||
          CHAR_LINE_FEED            === character ||
          CHAR_CARRIAGE_RETURN      === character ||
          CHAR_COMMA                === character ||
          CHAR_LEFT_SQUARE_BRACKET  === character ||
          CHAR_RIGHT_SQUARE_BRACKET === character ||
          CHAR_LEFT_CURLY_BRACKET   === character ||
          CHAR_RIGHT_CURLY_BRACKET  === character ||
          CHAR_SHARP                === character ||
          CHAR_AMPERSAND            === character ||
          CHAR_ASTERISK             === character ||
          CHAR_EXCLAMATION          === character ||
          CHAR_VERTICAL_LINE        === character ||
          CHAR_GREATER_THAN         === character ||
          CHAR_SINGLE_QUOTE         === character ||
          CHAR_DOUBLE_QUOTE         === character ||
          CHAR_PERCENT              === character ||
          CHAR_COMMERCIAL_AT        === character ||
          CHAR_COLON                === character ||
          CHAR_GRAVE_ACCENT         === character) {
        isQuoted = true;
      }
    }

    if (ESCAPE_SEQUENCES[character] ||
        !((0x00020 <= character && character <= 0x00007E) ||
          (0x00085 === character)                         ||
          (0x000A0 <= character && character <= 0x00D7FF) ||
          (0x0E000 <= character && character <= 0x00FFFD) ||
          (0x10000 <= character && character <= 0x10FFFF))) {
      state.dump += object.slice(checkpoint, position);
      state.dump += ESCAPE_SEQUENCES[character] || encodeHex(character);
      checkpoint = position + 1;
      isQuoted = true;
    }
  }

  if (checkpoint < position) {
    state.dump += object.slice(checkpoint, position);
  }

  if (!isQuoted && testImplicitResolving(state, state.dump)) {
    isQuoted = true;
  }

  if (isQuoted) {
    state.dump = '"' + state.dump + '"';
  }
}